.home {
  $f: 19.2;

  .banner {
    position: relative;

    &::before {
      content: '';
      display: block;
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, .2);
    }

    img {
      width: 100%;
      display: block;
      object-fit: cover;
      height: 33vh;
    }

    .text {
      position: absolute;
      left: 0;
      width: 100%;
      bottom: 30/$f+vw;
      color: white;
      padding: 0 200/$f+vw;

      .p1 {
        font-size: 30/$f+vw;
        font-weight: 600;
        line-height: 1;
      }

      .des {
        font-size: 20/$f+vw;
        margin-top: 20/$f+vw;
        line-height: 1.3;
        font-weight: 200;
      }
    }
  }

  .nav_menu {
    background: #F5F5F5;
    padding: 0 200/$f+vw;
    display: flex;
    align-items: center;

    a {
      display: block;
      padding: 20/$f+vw 44/$f+vw;
      color: #222;
      font-size: 17/$f+vw;
      line-height: 1.2;
      transition: all 600ms;
      cursor: pointer;

      &:hover {
        background: #FFF;
        color: #E6001A;
      }
    }

    .on {
      background: #FFF;
      color: #E6001A;
    }

    span {
      width: 1px;
      height: 10/$f+vw;
      background: #CCC;
    }
  }

  .section1 {
    margin: 100/$f+vw 250/$f+vw;
    margin-right: 200/$f+vw;
    .t {
      color:#000;
      font-size: 32/$f+vw;
      line-height: 1.2;
      &::before {
        content: '';
        display: block;
        width: 30/$f+vw;
        height: 2/$f+vw;
        background: rgba(34, 34, 34, 1);
        margin-bottom: 20/$f+vw;
      }
    }
    .content{
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin: 60/$f+vw 0;
      .l{
        margin: 0 200/$f+vw;
        img{
          width: 464/$f+vw;
        }
      }
      .r{
        width: 700/$f+vw;
        .list{
          display: flex;
          flex-wrap: wrap;
          justify-content: space-between;
          .item{
            width: 46%;
            margin-top: 48/$f+vw;
            .p1{
              color:rgba(0, 0, 0, 0.85);
              font-size: 24/$f+vw;
              font-weight: 600;
              border-bottom: 1px solid rgba(0, 0, 0, 0.85);
              padding-bottom: 8/$f+vw;
            }
            .des{
              margin: 12/$f+vw 0;
              color:rgba(0, 0, 0, 0.45);
              font-size: 20/$f+vw;
              font-weight: 500;
              line-height: 1.8;
            }
          }
        }
      }
    }
  }

  .section2{
    margin: 160/$f+vw 250/$f+vw;
    margin-right: 200/$f+vw;
    display: flex;
    justify-content: space-between;
    .t {
      color:#000;
      font-size: 32/$f+vw;
      line-height: 1.2;
      &::before {
        content: '';
        display: block;
        width: 30/$f+vw;
        height: 2/$f+vw;
        background: rgba(34, 34, 34, 1);
        margin-bottom: 20/$f+vw;
      }
    }
    .r{
      width: 1149/$f+vw;
      .intro{
        color: #666;
        font-size: 16/$f+vw;
        line-height: 1.625;
      }
      .dt{
        padding: 28/$f+vw 0 0 0;
        border-top: 1px solid #000;
        border-bottom: 1px solid #000;
        margin: 28/$f+vw 0;
        .p1{
          color:rgba(0, 0, 0, 0.85);
          font-size: 20/$f+vw;
          font-weight: 600;
          margin-bottom: 16/$f+vw;
        }
        .des{
          color: #666;
          font-size: 16/$f+vw;
          line-height: 1.625;
          margin-bottom: 24/$f+vw;
        }
      }
      .content{
        display: flex;
        justify-content: space-between;
        gap: 30/$f+vw;
        .pic{
          width: 48%;
          img{
            width: 100%;
            display: block;
            object-fit: cover;
          }
        }
        .text{
          width: 48%;
          .it{
            .p1{
              color:rgba(0, 0, 0, 0.85);
              font-size: 20/$f+vw;
              font-weight: 600;
              margin-bottom: 16/$f+vw;
            }
            .des{
              color: #666;
              font-size: 16/$f+vw;
              line-height: 1.625;
              margin-bottom: 24/$f+vw;
            }
          }
        }
      }
    }
  }
  @media screen and (max-width: 1024px) {
    .banner {
      img {
        height: 300px;
      }
    }

    .nav_menu {
      padding: 0;
      flex-wrap: wrap;
      a {
        padding: 15px 10px;
        font-size: 14px;
      }

      span {
        height: 10px;
      }
    }
    .section1{
      margin: 30px 5%;
      .t{
        font-size: 24px;
        &::before{
          width: 30px;
          height: 2px;
          margin-bottom: 15px;
        }
      }
      .content{
        flex-direction: column;
        margin: 20px 0;
        .l{
          width: 100%;
          img{
            width: 100%;
          }
        }
        .r{
          width: 100%;
           .list{
            .item{
              width: 100%;
              .p1{
                font-size: 18px;
                padding-bottom: 15px;
              }
              .des{
                font-size:16px;
                margin: 15px 0;
              }
            }
           }
        }
      }
    }
    .section2{
      flex-direction: column;
      margin: 30px 5%;
      .t{
        font-size: 24px;
        &::before{
          width: 30px;
          height: 2px;
          margin-bottom: 15px;
        }
      }
      .r{
        width: 100%;
        margin-top: 20px;
        .intro{
          font-size: 16px;
        }
        .dt{
          padding: 15px 0;
          margin: 15px 0;
          .p1{
            font-size: 18px;
            margin-bottom: 10px;
          }
          .des{
            font-size: 16px;
          }
        }
        .content{
          flex-direction: column;
          .pic{
            width: 100%;
          }
          .text{
            width: 100%;
            margin-top: 20px;
            .it{
              .p1{
                font-size: 18px;
                margin-bottom: 10px;
              }
              .des{
                font-size: 16px;
                margin-bottom: 10px;
              }
            }
          }
        }
      }
    }
  }

}